Journal article
Fabrication of Surface Polymer Brushes Via Thin Film Crystallization and Solvent Annealing
Macromolecular rapid communications, e2300036
13 Mar 2023
PMID: 36915961
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Polymer single crystals have been used as templates to synthesize polymer brushes, known as the "polymer-single-crystal-assisted-grafting-to" (PSCAGT) approach. Polymer brushes with controlled grafting densities and spatial tethering locations have been demonstrated. Previous works focused on solution crystallization, which involves large amounts of organic solvent, and the grafting density can only be tuned by varying crystallization temperatures. In this work, thin film crystallization was utilized to fabricate two-dimensional (2D) polymer crystals on flat surfaces. Subsequent chemical tethering led to polymer brushes that retained the original morphology of the crystals with high fidelity. Furthermore, we show that the grafting density of the polymer brushes fabricated using this method depends on the chain end distribution on the top/bottom surfaces of the crystal, which can be facilely controlled by annealing the crystals at various nonsolvent media. Our work broadens the scope of the PSCAGT method and provides a new route to achieve polymer brushes with controlled structures. This article is protected by copyright. All rights reserved.
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Details
- Title
- Fabrication of Surface Polymer Brushes Via Thin Film Crystallization and Solvent Annealing
- Creators
- Jeffrey T Wilk - Drexel UniversityAndrew J Chancellor - University of Tennessee at KnoxvilleShan Mei - Drexel UniversityQian Qian - Drexel UniversityBin Zhao - University of Tennessee at KnoxvilleChristopher Y Li - Drexel University
- Publication Details
- Macromolecular rapid communications, e2300036
- Publisher
- Wiley
- Number of pages
- 22
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000961569200001
- Scopus ID
- 2-s2.0-85152082364
- Other Identifier
- 991020201963704721
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InCites Highlights
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Polymer Science